Something about Solar

Jun 26, 2016

After the previous article ‘Can people step on the modules?’ was published, many people asked questions like ‘Can people stand on the frame?’, ‘Does the impact during the workers move the module damage the module?’, ‘Does the dropped tools result in cell cracks?’… Here I share a report from ISFH [1] and our internal experiment result to give you some idea what might be dangerous during installation.

Dec 29, 2015

Can
people step on the modules? Although we have seen a lot of module damage in the
field (On-siteEL is starting a quality revolution), but many people still doubt it.
Frequently asked question is that modules can pass 5400Pa mechanical load test,
which is 890 kg uniformly distributes on standard module (1.65m x 1m), why workers
with weight less than 100 kg can not step on the module?

Nov 8, 2015

On-site EL is starting a quality revolution

EL inspection
is commonly used in module production lines, most buyers request
100% module EL inspection before delivery. Unfortunately the same
quality request is not applied to the PV plants.

The above
photo shows an EL image of a PV array, serious cell breakage is found in
the middle of the modules. This kind of breakage frequently happens during
installation or maintenance, but only few really check it on the PV array.
EPCs request a very high quality standard for modules, but many of them do not
apply the same request level to their installations. We have seen many
installers and panel cleaning workers walking on the modules, and some owners
even invite guests to take photos standing on the modules.